12456450031 has 2 divisors, whose sum is σ = 12456450032. Its totient is φ = 12456450030.

The previous prime is 12456449939. The next prime is 12456450077. The reversal of 12456450031 is 13005465421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12456450031 - 2¹³ = 12456441839 is a prime.

It is a super-3 number, since 3×12456450031³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 12456449975 and 12456450002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12456450631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6228225015 + 6228225016.

It is an arithmetic number, because the mean of its divisors is an integer number (6228225016).

Almost surely, 2^12456450031 is an apocalyptic number.

12456450031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12456450031 is an equidigital number, since it uses as much as digits as its factorization.

12456450031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 12456450031 in words is "twelve billion, four hundred fifty-six million, four hundred fifty thousand, thirty-one".